Home / 107,758.80-161,693.56-47,828.36

Finding the Fourth Proportional to 107,758.80, 161,693.56 and 47,828.36

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Solution

The fourth proportional to 107,758.80, 161,693.56 and 47,828.36 is: 71,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,758.80 : 161,693.56 = 47,828.36 : x
  2. Step 2: Convert to fraction form
    107,758.80/161,693.56 = 47,828.36/x
  3. Step 3: Cross multiply
    107,758.80x = 161,693.56 × 47,828.36
  4. Step 4: Simplify right side
    107,758.80x = 7,733,537,797.36
  5. Step 5: Solve for x
    x = 7,733,537,797.36/107,758.80
  6. Step 6: Final answer
    x = 71,767.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.